Plant Propagation Protocol for [Insert Species]
[Pages:5]Plant Propagation Protocol for [Insert Species] ESRM 412 ? Native Plant Production
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Plant Family
Scientific Name Common Name
Species Scientific Name
Scientific Name Varieties Sub-species Cultivar
Sourced from USDA PLANTS Database
TAXONOMY
CORNACEAE Dogwoods
Cornus glabrata Benth.
Common Synonym(s)
Common Name(s) Species Code (as
per USDA Plants database)
Geographical range
Cornus costulata Jeps. Swida catalinensis Millsp. Swida glabrata (Benth.) A.Heller. Thelycrania catalinensis (Millsp.) Pojark. Thelycrania glabrata (Benth.) Pojark. Brown Dogwood, Smooth Dogwood COGL3
GENERAL INFORMATION
Oregon and California.
Ecological distribution
Climate and elevation range
Local habitat and abundance
See maps above for distribution in North America as well as the distributions in Oregon State and the State of California. Coastal ranges and the foothills of the Sierra Nevada mountains. Some populations exist on the Channel Islands. Typically resides near water and be located near stream banks (Calscape). Below 5,000 feet in elevation (Calscape).
Annual precipitation in ideal climate ranges from 9.2-89.2 inches, with 0.16-3.68 inches of the precipitation occurring in the summer months (Calscape). Often found in similar habitats to various moths and butterflies, including the Echo Blue and Spring Azure. Attracts numerous birds with its flowers and berries (Calscape).
Often found in habitats with Sequoia sempervirens, Abies bracteata, Pseudosuga menziesii, Thalictrum fendleri, Styrax officinalis, Mimulus guttatus, Rhododendron, and Vaccinium ovatum (Calscape).
Plant strategy type / successional stage
Requires partial shade, moderate to high moisture, and slow-draining soil. Typically found on clay to loam soil (California Native Plants and Habitat Enhancement Services) with a pH range from 5.0-8.0 (Calscape). Fast-growing perennial shrub. Establishes early in well-watered ecosystems (California Native Plants and Habitat Enhancement Services).
Vegetative reproduction via root suckers (Calscape).
Plant characteristics
Adapts to drier conditions by restricting growth (California Native Plants and Habitat Enhancement Services). Large, weeping, perennial, deciduous shrub from 4.9 to 20 feet tall. Limber branches and red, purple, or brown bark. Bright green leaves transition to red in autumn. Produces clusters of delicate and stringy white flowers and bluish-white berries in the spring (Calscape).
Ecotype Propagation Goal Propagation
Method Product Type Stock Type Time to Grow Target
Specifications
Propagule Collection Instructions
Propagule Processing/Propa gule Characteristics
Pre-Planting Propagule Treatments
Growing Area Preparation / Annual Practices for Perennial Crops
Establishment Phase Details
Length of Establishment Phase
Active Growth Phase
Length of Active Growth Phase
Hardening Phase
PROPAGATION DETAILS
Plants Vegetative
Propagules (cuttings of the stem or rhizome)
2-4 months Shrub that is 4.9-20 feet tall (Calscape). Can outplant prior to maturation height, or once roots have been established and potting containers have been outgrown (Carroll). Take cuttings in the spring once the shrub completes its bloom cycle. Stem should snap when bent in half. Make cutting one inch below a set of leaves, and ensure the cutting is 3-5 inches long. Keep cuttings damp by sandwiching between wet paper towels (Carroll). Prepare cutting for planting immediately after collection. Remove lowest set of leaves from stem to create wounds that encourage root growth. Prune other leaves that may touch the soil when the cutting is placed in media (Carroll). Once the cutting has been pruned and wounds have been created, dip the bottom of the cutting in rooting hormone prior to planting in media (Carroll). Fill potting containers with a mixture of sand and perlite to be used as growing media. The potting container should be at least 3 inches in diameter and run more than 1.5 inches deep. Stick the stem into the growing media 1.5 inches deep then pack down the media to ensure the cutting can stand upright. Wet the media and place in greenhouse enviornment (Carroll). Check the cutting for rooting once per week by gently tugging on the stem to see if any resistance has developed. Once roots have established, remove from the greenhouse environment and place containers near partial sunlight. Amend soil with fertilizer every two weeks until plant enters active growth phase (Carroll). The cutting should establish roots within six weeks (Carroll).
When the cutting has outgrown potting container, replant in larger container with commercial potting soil or in outplanting site (Carroll). Maintain partial sunlight accessibility and soil moisture, ensuring that soil drainage rate is slow (LBJ Wildflower Center). Plant blooms in March, April, and May (LBJ Wildflower Center). Will flower until June and fruit from August to October (Flora of North America). Prune the shrub in late fall once leaves have dropped to manage shape (Calscape).
Length of Hardening Phase
Harvesting, Storage and Shipping
Length of Storage
Varies. Will enter dormancy once temperatures fall below -15 degrees Celsius (Calscape). Plant cuttings immediately after collection in spring, or store in cool, dark, and moist place (Natural Resources Conservation Service). If unable to immediately plant, can store up to four months in cool, dark, and moist conditions. If the area is excessively wet, it will encourage rooting so be sure to closely monitor (Natural Resources Conservation Service).
Guidelines for Outplanting / Performance on Typical Sites
Other Comments
References
If planting in potting containers, can store until pots are outgrown, or until summer months (Carroll). Dogwood cuttings in general struggle to root and rarely survive more than one year (Richards). If cuttings are successful, mature plant should reach 4.9-20 feet in height (Calscape). Will bloom annual in March, April and May (LBJ Wildflower Center).
INFORMATION SOURCES
"Brown Dogwood." Calscape: California Native Plant Society, (). Accessed 26 May 2021.
"Collecting & Planting Hardwood Cuttings." Natural Resources Conservation Service, obSheet.pdf. Accessed 26 May 2021.
Carroll, Jackie. "Starting Dogwoods from Cuttings: When to Take Cuttings of Dogwood." Gardening Know How, g-dogwood-cuttings.htm. Accessed 26 May 2021.
"Cornus glabrata Bentham." Flora of North America, 87. Accessed 26 May 2021.
"Cornus glabrata Benth." The Plant List, . Accessed 26 May 2021.
"Cornus glabrata Benth." USDA PLANTS Database, . Accessed 26 May 2021.
"Cornus glabrata." California Native Plants and Habitat Enhancement Services, . Accessed 26 May 2021.
Other Sources Consulted
Protocol Author Date Protocol
Created or Updated
"Cornus glabrata." Lady Bird Johnson Wildflower Center, . Accessed 26 May 2021.
Richards, Julie. "What Time of Year Is It Best to Take Dogwood Tree Cuttings?" SF Gate, . Accessed 26 May 2021. "Smooth Dogwood, Brown Dogwood." Dave's Garden, . Accessed 26 May 2021. Kioko Soneda 05/26/21
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